Stats

Saturday, October 18, 2014

1-3C

1–3C An office worker claims that a cup of cold coffee on
his table warmed up to 80°C by picking up energy from the
surrounding air, which is at 25°C. Is there any truth to his
claim? Does this process violate any thermodynamic laws?
ANS
1-3CThere isno truth tohis claim.Itviolates the second law of thermodynamics.

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